Siemens SCALANCE X320-3LD FE Operating Instructions Manual page 109

5. Connect the cable for the signaling contact to the appropriate terminal block.
6. Insert the terminal blocks into the sockets on the IE Switch X-300.
Note
Standard rail mounting of the IE Switch X-300EEC
The IE Switch X-300EEC can only be mounted on an S7-300 standard rail using a
commercially available adapter.
Image 5-3
Uninstalling
To remove an IE Switch X-300 from the SIMATIC S7-300 standard rail, follow these steps:
1. Disconnect all connected cables.
2. Loosen the screws on the underside of the standard rail and lift the IE Switch X-300 away
from the rail.
SCALANCE X-300
Operating Instructions, 05/2016, A5E01113043-20
Installing an IE Switch X-300 on a SIMATIC S7-300 standard rail
CAUTION
Grounding of the X-300EEC
The device is grounded via the bolts in the floor of the housing.
On the X-300EEC with power supply 100...240 V AC, you must always connect
protective ground via the bolts on the bottom of the device housing.
Installation
5.2 Installing a switch
109